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Classic Firearms Updated Oct 26, 2026

$Fn FN 509 Compact Tactical Semi-Auto Pistol 4.32\" Barrel 9mm - W/ Night Sights and 2 Mags (24/12) - 66100782 - $611.10 at Classic Firearms$

Fn 509 Compact Tactical Semi-Auto Pistol 4.32\" Barrel 9mm - W/ Night Sights and 2 Mags (24/12) - 66100782

$611.10

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Classic Firearms Updated Oct 26, 2026

$Fn FN 15 Semi Automatic Carbine 16\" Barrel .223/5.56 , With One (1) 30 Round Magazine -15\" MLOK handguard- SRP G2 - 36-100608 - $1311.02 at Classic Firearms$

Fn 15 Semi Automatic Carbine 16\" Barrel .223/5.56 , With One (1) 30 Round Magazine -15\" MLOK handguard- SRP G2 - 36-100608

$1311.02

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Classic Firearms Updated Oct 26, 2026

$Fn FN 3848950460 PS90 5.7x28mm 16\" Barrel 30+1, Matte Black Synthetic Thumbhole Bullpup Stock , Optics Ready - $1699.00 at Classic Firearms$

Fn 3848950460 PS90 5.7x28mm 16\" Barrel 30+1, Matte Black Synthetic Thumbhole Bullpup Stock , Optics Ready

$1699.00

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Classic Firearms Updated Oct 26, 2026

$Fn FN 36100669 FN 15 DMR3 5.56x45mm NATO 18\" Barrel 30+1, Black Anodized Receiver, Black OEM Stock & Grip , Optics Ready - $2039.00 at Classic Firearms$

Fn 36100669 FN 15 DMR3 5.56x45mm NATO 18\" Barrel 30+1, Black Anodized Receiver, Black OEM Stock & Grip , Optics Ready

$2039.00

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Classic Firearms Updated Oct 26, 2026

$Fn FN 36100676 FN 15 DMR3 5.56x45mm NATO 18\" Barrel 30+1, FDE Cerakote Receiver , Black OEM Stock & Grip ,Optic Ready - $2209.00 at Classic Firearms$

Fn 36100676 FN 15 DMR3 5.56x45mm NATO 18\" Barrel 30+1, FDE Cerakote Receiver , Black OEM Stock & Grip ,Optic Ready

$2209.00

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Classic Firearms Updated Oct 26, 2026

$Fn FN 3848950501 PS90 50+1 16.04\" Black Steel Barrel, Flat Dark Earth Picatinny Rail Aluminum Alloy Receiver, Bullpup w/Thumbhole Flat Dark Earth Synthetic Stock, Ambidextrous - $1699.00 at Classic Firearms$

Fn 3848950501 PS90 50+1 16.04\" Black Steel Barrel, Flat Dark Earth Picatinny Rail Aluminum Alloy Receiver, Bullpup w/Thumbhole Flat Dark Earth Synthetic Stock, Ambidextrous

$1699.00

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Shooting Surplus Updated Oct 26, 2026

Fn FN 509 Midsize Tactical 9mm Luger 4.5in Barrel 15/24 Rounds Optic Ready - $784.00 at Shooting Surplus

Fn 509 Midsize Tactical 9mm Luger 4.5in Barrel 15/24 Rounds Optic Ready

$784.00

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Shooting Surplus Updated Oct 26, 2026

Fn FN 509 LS Edge 9mm Luger 5" Barrel 10 Rounds Matte Polymer Frame Optics Ready - $1399.00 at Shooting Surplus

Fn 509 LS Edge 9mm Luger 5" Barrel 10 Rounds Matte Polymer Frame Optics Ready

$1399.00

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Shooting Surplus Updated Oct 26, 2026

Fn FN 509 Midsize Tactical 9mm Luger 4.5" Threaded Barrel 15/24rd FDE Optics Ready - $929.00 at Shooting Surplus

Fn 509 Midsize Tactical 9mm Luger 4.5" Threaded Barrel 15/24rd FDE Optics Ready

$929.00

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Shooting Surplus Updated Oct 26, 2026

Fn FN 509 Compact 9mm Luger 3.7 Inch Barrel 12 or 15 Rounds Matte Polymer Frame - $529.00 at Shooting Surplus

Fn 509 Compact 9mm Luger 3.7 Inch Barrel 12 or 15 Rounds Matte Polymer Frame

$529.00

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Shooting Surplus Updated Oct 26, 2026

Fn FN 66101763 Reflex XL MRD Micro-Compact Frame 9mm 10+1 3.80" Black Target Crown Steel Barrel, Optic Cut/Serrated Black Slide, Polymer Frame w/Picatinny Rail, Interchangeable Backstrap Grip - $599.00 at Shooting Surplus

Fn 66101763 Reflex XL MRD Micro-Compact Frame 9mm 10+1 3.80" Black Target Crown Steel Barrel, Optic Cut/Serrated Black Slide, Polymer Frame w/Picatinny Rail, Interchangeable Backstrap Grip

$599.00

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Shooting Surplus Updated Oct 26, 2026

Fn FN SCAR 15P 5.56 NATO 7.5in Barrel 30 Rounds Anodized Aluminum - $3299.00 at Shooting Surplus

Fn SCAR 15P 5.56 NATO 7.5in Barrel 30 Rounds Anodized Aluminum

$3299.00

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GrabAGun Updated Oct 26, 2026

7% OFF

Fn FN 15 M16 Military Collector 5.56 NATO 20 Barrel 30-Rounds Ambidextrous Safety - $1819.00 at GrabAGun

Fn 15 M16 Military Collector 5.56 NATO 20 Barrel 30-Rounds Ambidextrous Safety

$1819.00 $1951.00

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GrabAGun Updated Oct 26, 2026

9% OFF

Fn FN 15 DMR3 AR15 Tungsten Grey 5.56 / .223 Rem 18 Barrel 30-Rounds - $2209.00 at GrabAGun

Fn 15 DMR3 AR15 Tungsten Grey 5.56 / .223 Rem 18 Barrel 30-Rounds

$2209.00 $2439.00

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GrabAGun Updated Oct 26, 2026

13% OFF

Fn FN USA SCAR 16S Barrel 223REM 14-inch - $1299.00 at GrabAGun

Fn USA SCAR 16S Barrel 223REM 14-inch

$1299.00 $1499.00

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GrabAGun Updated Oct 26, 2026

7% OFF

Fn AR Barrel 5.56 NATO / .223 Rem 10.5 Barrel with M16 Profile

$279.00 $299.00

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GrabAGun Updated Oct 26, 2026

13% OFF

Fn FN 36420 AR-15 Hammer Forged Barrel - $349.00 at GrabAGun

Fn 36420 AR-15 Hammer Forged Barrel

$349.00 $399.00

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GrabAGun Updated Oct 26, 2026

13% OFF

Fn FN America HF AR15 14.5 Barrel Carbine Length Gas System M4 Contour - $349.00 at GrabAGun

Fn America HF AR15 14.5 Barrel Carbine Length Gas System M4 Contour

$349.00 $399.00

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GrabAGun Updated Oct 26, 2026

7% OFF

Fn FN AR-15 Button Barrel 5.56 NATO 16 Barrel - $279.00 at GrabAGun

Fn AR-15 Button Barrel 5.56 NATO 16 Barrel

$279.00 $299.00

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Shooters Choice Updated Oct 16, 2026

18% OFF

Fn FN 502 66-101006 Tactical 22LR FDE Threaded Barrel 15+1 - $459.99 at Shooters Choice

Fn 502 66-101006 Tactical 22LR FDE Threaded Barrel 15+1

$459.99 $559.99

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Shooters Choice Updated Oct 16, 2026

17% OFF

Fn FN 66-101408 Reflex, 9mm, 3.3 Barrel, SAO Internal Hammer, (1) 11+1 (1) 15+1 - $499.99 at Shooters Choice

Fn 66-101408 Reflex, 9mm, 3.3 Barrel, SAO Internal Hammer, (1) 11+1 (1) 15+1

$499.99 $599.00

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Shooters Choice Updated Oct 16, 2026

Fn FN 66966 FNX-45 Tactical Black 45ACP w/ Threaded Barrel - $1199.99 at Shooters Choice

Fn 66966 FNX-45 Tactical Black 45ACP w/ Threaded Barrel

$1199.99

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Shooters Choice Updated Oct 16, 2026

14% OFF

Fn FN 66-100843 509 Long Slide Edge Black/Gray 5" Barrel (3) 17Rd - $1399.99 at Shooters Choice

Fn 66-100843 509 Long Slide Edge Black/Gray 5" Barrel (3) 17Rd

$1399.99 $1629.99

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TLO Outdoors Updated Oct 26, 2026

3% OFF

Fn FN AR-15 18in Cold Hammer Forged Chrome-Lined Barrel, Rifle-Length Gas System, 36423 - $337.98 at TLO Outdoors

Fn AR-15 18in Cold Hammer Forged Chrome-Lined Barrel, Rifle-Length Gas System, 36423

$337.98 $349.00

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TLO Outdoors Updated Oct 26, 2026

5% OFF

Fn FN SCAR 16S 14in Chrome-Lined Hammer-Forged Barrel Assembly with Gas System, Flash Hider 98804 - $1232.98 at TLO Outdoors

Fn SCAR 16S 14in Chrome-Lined Hammer-Forged Barrel Assembly with Gas System, Flash Hider 98804

$1232.98 $1299.00

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TLO Outdoors Updated Oct 26, 2026

4% OFF

Fn FN AR-15 14.7in 5.56 NATO Button-Rifled Chrome-Lined Mid-Length Barrel 20100038 - $268.98 at TLO Outdoors

Fn AR-15 14.7in 5.56 NATO Button-Rifled Chrome-Lined Mid-Length Barrel 20100038

$268.98 $279.00

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TLO Outdoors Updated Oct 26, 2026

11% OFF

Fn AR-15 16in Mid-Length Gas Barrel, Chrome-Lined Cold Hammer Forged M16 Profile 20100041

$266.98 $299.00

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TLO Outdoors Updated Oct 26, 2026

3% OFF

Fn FN AR-15 16in 5.56x45mm NATO Cold Hammer Forged Chrome-Lined M4 Barrel, Carbine Gas 20100047 - $337.98 at TLO Outdoors

Fn AR-15 16in 5.56x45mm NATO Cold Hammer Forged Chrome-Lined M4 Barrel, Carbine Gas 20100047

$337.98 $349.00

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TLO Outdoors Updated Oct 26, 2026

3% OFF

Fn FN AR-15 14.7in Cold Hammer Forged 5.56 NATO Carbine Gas Barrel, Chrome Lined, 36420 - $337.98 at TLO Outdoors

Fn AR-15 14.7in Cold Hammer Forged 5.56 NATO Carbine Gas Barrel, Chrome Lined, 36420

$337.98 $349.00

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TLO Outdoors Updated Oct 26, 2026

3% OFF

Fn FN AR-15 5.56x45mm NATO 14.7in Cold Hammer Forged Chrome-Lined M4 Carbine Barrel 20100405 - $337.98 at TLO Outdoors

Fn AR-15 5.56x45mm NATO 14.7in Cold Hammer Forged Chrome-Lined M4 Carbine Barrel 20100405

$337.98 $349.00

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MidwayUSA Updated Oct 26, 2026

Fn FN AR-15 Barrel 5.56x45mm NATO 14.7" Government Contour 1:7" Twist Manganese Phosphate - $279.99 at MidwayUSA

Fn AR-15 Barrel 5.56x45mm NATO 14.7" Government Contour 1:7" Twist Manganese Phosphate

$279.99

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MidwayUSA Updated Oct 26, 2026

19% OFF

Fn FN Hammer Forged AR-15 Barrel 5.56x45mm NATO 18" Government Contour 1:7" Twist Matte Rifle Length Gas Port - $283.17 at MidwayUSA

Fn Hammer Forged AR-15 Barrel 5.56x45mm NATO 18" Government Contour 1:7" Twist Matte Rifle Length Gas Port

$283.17 $349.99

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MidwayUSA Updated Oct 26, 2026

Fn FN Hammer Forged SCAR 16S Barrel 5.56x45mm NATO 14" 1:7"" Twist - $1299.99 at MidwayUSA

Fn Hammer Forged SCAR 16S Barrel 5.56x45mm NATO 14" 1:7"" Twist

$1299.99

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MidwayUSA Updated Oct 26, 2026

Fn FN SCAR 20S Prefit Barrel 6.5 Creedmoor 20" Matte Black 1:8" Twist - $1699.99 at MidwayUSA

Fn SCAR 20S Prefit Barrel 6.5 Creedmoor 20" Matte Black 1:8" Twist

$1699.99

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MidwayUSA Updated Oct 26, 2026

Fn FN 509 Barrel 9mm Luger 4" Black - $159.99 at MidwayUSA

Fn 509 Barrel 9mm Luger 4" Black

$159.99

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MidwayUSA Updated Oct 26, 2026

Fn FN 509C Threaded Barrel 9mm Luger 3.7" Black - $169.99 at MidwayUSA

Fn 509C Threaded Barrel 9mm Luger 3.7" Black

$169.99

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MidwayUSA Updated Oct 26, 2026

45% OFF

Fn FN 509 Barrel 9mm Luger 5" Black - $93.00 at MidwayUSA

Fn 509 Barrel 9mm Luger 5" Black

$93.00 $169.99

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MidwayUSA Updated Oct 26, 2026

45% OFF

Fn FN 509F Barrel 9mm Luger 4.5" Black - $93.00 at MidwayUSA

Fn 509F Barrel 9mm Luger 4.5" Black

$93.00 $169.99

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MidwayUSA Updated Oct 26, 2026

Fn FN 509C Barrel 9mm Luger 3.7" Black - $209.99 at MidwayUSA

Fn 509C Barrel 9mm Luger 3.7" Black

$209.99

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MidwayUSA Updated Oct 26, 2026

Fn FN Hammer Forged SCAR 16S Barrel 5.56x45mm NATO 10" 1:7"" Twist - $1299.99 at MidwayUSA

Fn Hammer Forged SCAR 16S Barrel 5.56x45mm NATO 10" 1:7"" Twist

$1299.99

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MidwayUSA Updated Oct 26, 2026

Fn FN AR-15 Barrel 5.56x45mm NATO 18" Government Contour 1:7" Twist Manganese Phosphate - $279.99 at MidwayUSA

Fn AR-15 Barrel 5.56x45mm NATO 18" Government Contour 1:7" Twist Manganese Phosphate

$279.99

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TLO Outdoors Updated Oct 26, 2026

4% OFF

Fn FN AR-15 16in 5.56x45mm NATO Button-Rifled Chrome-Lined Barrel, Carbine Gas System 20100046 - $268.98 at TLO Outdoors

Fn AR-15 16in 5.56x45mm NATO Button-Rifled Chrome-Lined Barrel, Carbine Gas System 20100046

$268.98 $279.00

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MidwayUSA Updated Oct 26, 2026

Fn FN Rush 9Ti Fixed Barrel Suppressor Adapter 5/8"-24 Thread - $99.99 at MidwayUSA

Fn Rush 9Ti Fixed Barrel Suppressor Adapter 5/8"-24 Thread

$99.99

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MidwayUSA Updated Oct 26, 2026

Fn FN Rush 9Ti Fixed Barrel Suppressor Adapter M13.5x1 LH Thread - $99.99 at MidwayUSA

Fn Rush 9Ti Fixed Barrel Suppressor Adapter M13.5x1 LH Thread

$99.99

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MidwayUSA Updated Oct 26, 2026

Fn FN Rush 9Ti Fixed Barrel Suppressor Adapter 1/2"-36 Thread - $99.99 at MidwayUSA

Fn Rush 9Ti Fixed Barrel Suppressor Adapter 1/2"-36 Thread

$99.99

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MidwayUSA Updated Oct 26, 2026

5% OFF

Fn FN Hammer Forged SCAR 17S Prefit Barrel 6.5 Creedmoor 16" Matte Black 1:8" Twist - $1425.20 at MidwayUSA

Fn Hammer Forged SCAR 17S Prefit Barrel 6.5 Creedmoor 16" Matte Black 1:8" Twist

$1425.20 $1499.99

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MidwayUSA Updated Oct 26, 2026

5% OFF

Fn FN Hammer Forged SCAR 17S Prefit Barrel 6.5 Creedmoor 20" Matte Black 1:8" Twist - $1425.20 at MidwayUSA

Fn Hammer Forged SCAR 17S Prefit Barrel 6.5 Creedmoor 20" Matte Black 1:8" Twist

$1425.20 $1499.99

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GrabAGun Updated Oct 26, 2026

7% OFF

Fn FN SCAR 17S Gen 2 Flat Dark Earth 7.62 X 51 / .308 Win 16.25 Barrel 20-Rounds - $3699.99 at GrabAGun

Fn SCAR 17S Gen 2 Flat Dark Earth 7.62 X 51 / .308 Win 16.25 Barrel 20-Rounds

$3699.99 $3999.00

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TLO Outdoors Updated Oct 26, 2026

4% OFF

Fn AR-15 16" 5.56x45mm NATO Button Rifled M16 Profile Chrome Lined Barrel 20100039

$268.98 $279.00

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GrabAGun Updated Oct 26, 2026

13% OFF

Fn FN AR-15 Barrel 5.56 16 Barrel Carbine Length - $349.00 at GrabAGun

Fn AR-15 Barrel 5.56 16 Barrel Carbine Length

$349.00 $399.00

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BattleHawk Armory Updated Oct 26, 2026

26% OFF

Fn FN 66100527 509 Tactical 9mm Luger 4.50 10+1 Black Black Interchangeable Backstrap Grip Threaded Barrel - $788.27 at BattleHawk Armory

Fn 66100527 509 Tactical 9mm Luger 4.50 10+1 Black Black Interchangeable Backstrap Grip Threaded Barrel

$788.27 $1069.00

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BattleHawk Armory Updated Oct 26, 2026

15% OFF

Fn FN 66100375 509 Tactical 9mm Luger 4.50 17+1 24+1 Black Black Interchangeable Backstrap Grip Threaded Barrel - $838.80 at BattleHawk Armory

Fn 66100375 509 Tactical 9mm Luger 4.50 17+1 24+1 Black Black Interchangeable Backstrap Grip Threaded Barrel

$838.80 $989.00

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Where to buy Fn barrels

MidwayUSA 16 in stock
TLO Outdoors 9 in stock
GrabAGun 9 in stock
Shooting Surplus 6 in stock
Classic Firearms 6 in stock
Shooters Choice 4 in stock